AutoCodes – Buick – U1192 Buick

U1192 Buick Code - Lost Communications With Theft Deterrent Control Module

Quick Answer

Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Common causes include Faulty Theft Deterrent Control Module (VTD), Theft Deterrent Control Module harness is open or shorted, Theft Deterrent Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: U1192 Buick indicates Lost Communications With Theft Deterrent Control Module.
Common causes: Common causes include Faulty Theft Deterrent Control Module (VTD), Theft Deterrent Control Module harness is open or shorted, Theft Deterrent Control Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 909

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1192 Buick Description

Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the identification number of the module which sent the message for the state of health monitoring/node alive messages. A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. Once an identification number is learned by a module, it will monitor for that module node alive message. Each module on the class 2 serial data circuit is required to send a Node Alive message every 2 seconds. When no message is detected from a learned identification number for 5 seconds, a Diagnostic Trouble Code (DTC) U1192 is set.

OBDII Code U1192 Buick - Lost Communications With Theft Deterrent Control Module - AutoCodes.com — U1192 Buick Code - Lost Communications With Theft Deterrent Control Module

What does this mean?

What are the Possible Causes of the DTC U1192 Buick?

Faulty Theft Deterrent Control Module (VTD)
Theft Deterrent Control Module harness is open or shorted
Theft Deterrent Control Module circuit poor electrical connection

How to Fix the DTC U1192 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U1192 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U1192 Buick Code

1. What are the common symptoms of OBDII code U1192 in a Buick related to lost communications with the theft deterrent control module?

- Common symptoms include issues with starting the vehicle, intermittent or constant security light illumination on the dashboard, and possible immobilization of the vehicle.

2. What are some possible causes of the U1192 code in a Buick?

- Potential causes include a faulty theft deterrent control module, wiring or connection issues between the module and the vehicle's computer, or a malfunction in the vehicle's security system.

3. How can I diagnose the U1192 code in my Buick?

- Diagnosing the U1192 code involves using an OBDII scanner to retrieve the code, checking for any related trouble codes, inspecting the wiring and connections to the theft deterrent control module, and testing the module itself for proper function.

4. Can I still drive my Buick if the U1192 code related to the theft deterrent control module appears?

- In some cases, you may still be able to drive the vehicle, but it is advisable to have the issue diagnosed and repaired promptly to prevent any potential issues with starting or security features.

5. How can I repair the U1192 code in my Buick?

- Repairing the U1192 code may involve repairing or replacing any damaged wiring or connections, resetting the theft deterrent control module, reprogramming the module, or replacing the module if it is found to be faulty.

6. Is it possible to reset the U1192 code in a Buick without professional help?

- In some cases, you may be able to clear the code by disconnecting the vehicle's battery for a few minutes, but it is recommended to have the underlying issue diagnosed and repaired to prevent the code from reappearing.

7. Can a DIY enthusiast with basic automotive knowledge fix the U1192 code in a Buick?

- Depending on the specific cause of the U1192 code, a DIY enthusiast with basic automotive knowledge may be able to address simple issues like checking connections or replacing fuses. However, more complex diagnostics and repairs may require professional assistance.

8. Will the U1192 code in a Buick reset on its own?

- The U1192 code will not reset on its own unless the underlying issue is addressed. It is important to diagnose and repair the problem to clear the code and prevent further issues.

9. How long does it typically take to repair the U1192 code related to the theft deterrent control module in a Buick?

- The repair time for the U1192 code can vary depending on the specific cause of the issue. Simple fixes like reconnecting a loose wire may take a short time, while replacing a faulty module could require more extensive work and time.

10. Is the U1192 code in a Buick a common issue, or is it a rare occurrence?

- The U1192 code related to lost communications with the theft deterrent control module can occur in Buick vehicles, particularly in older models or those with underlying electrical issues. While not extremely common, it is a known issue that may require attention.